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mu-query: update deciders (avoid warning) 

Don't report non-warning.
This commit is contained in:
Dirk-Jan C. Binnema 2021-02-12 23:48:02 +02:00
parent 895f580b99
commit 50511a7460
1 changed files with 18 additions and 22 deletions
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40
lib/mu-query-match-deciders.cc
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@ -119,7 +119,7 @@ struct MatchDeciderLeader: public MatchDecider {
* whose message-id was seen before.
*
* Even if we do not skip these messages entirely, we remember whether
* they were unreadabld/duplicate (in the QueryMatch::Flags), so we can
* they were unreadable/duplicate (in the QueryMatch::Flags), so we can
* quickly find that info when doing the second 'related' query.
*
* The "leader" query. Matches here get the Leader flag unless their
@ -135,7 +135,8 @@ struct MatchDeciderLeader: public MatchDecider {
bool operator() (const Xapian::Document& doc) const override {
// by definition, we haven't seen the docid before,
// so no need to search
auto it = decider_info_.matches.emplace(doc.get_docid(), make_query_match(doc));
auto it = decider_info_.matches.emplace(doc.get_docid(),
make_query_match(doc));
it.first->second.flags |= QueryMatch::Flags::Leader;
if (should_include(it.first->second)) {
@ -163,20 +164,14 @@ struct MatchDeciderRelated: public MatchDecider {
* This receives the documents considered during a Xapian query, and
* is to return either true (keep) or false (ignore)
*
* We use this to potentiallly avoid certain messages (documents):
* We use this to potentially avoid certain messages (documents):
* - with QueryFlags::SkipUnreadable this will return false for message
* that are not readable in the file-system
* - with QueryFlags::SkipDuplicates this will return false for messages
* whose message-id was seen before.
*
* Even if we do not skip these messages entirely, we remember whether they were
* unreadable/duplicate (in the QueryMatch::Flags), so we can quickly find that info when
* doing the second 'related' query.
*
* The "leader" query. Matches here get the Leader flag unless they are duplicates /
* unreadable. We check the duplicate/readable status regardless of whether
* SkipDuplicates/SkipUnreadable was passed (to gather that information); however those
* flags affect our true/false verdict.
* Unlike in the "leader" decider (scroll up), we don't need to remember
* messages we won't include.
*
* @param doc xapian document
*
@ -188,11 +183,13 @@ struct MatchDeciderRelated: public MatchDecider {
if (it != decider_info_.matches.end())
return should_include(it->second);
// nope; create it.
auto new_it = decider_info_.matches.emplace(
doc.get_docid(), make_query_match(doc));
new_it.first->second.flags |= QueryMatch::Flags::Related;
return should_include(new_it.first->second);
auto qm{make_query_match(doc)};
if (should_include(qm)) {
qm.flags = QueryMatch::Flags::Related;
decider_info_.matches.emplace(doc.get_docid(), std::move(qm));
return true;
} else
return false; // nope.
}
};
@ -203,7 +200,6 @@ Mu::make_related_decider (QueryFlags qflags, DeciderInfo& info)
return std::make_unique<MatchDeciderRelated>(qflags, info);
}
struct MatchDeciderFinal: public MatchDecider {
MatchDeciderFinal(QueryFlags qflags, DeciderInfo& info):
MatchDecider{qflags, info} {}
@ -220,12 +216,12 @@ struct MatchDeciderFinal: public MatchDecider {
* @return true or false
*/
bool operator() (const Xapian::Document& doc) const override {
// we may have seen this match in the "Leader" query.
auto it = decider_info_.matches.find(doc.get_docid());
if (G_UNLIKELY(it == decider_info_.matches.end())) {
g_warning ("could not find %u", doc.get_docid());
// we may have seen this match in the "Leader" query,
// or in the second (unbuounded) related query;
const auto it{decider_info_.matches.find(doc.get_docid())};
if (it == decider_info_.matches.end())
return false;
} else
else
return should_include(it->second);
}
};